Energy recovery apparatus
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United States of America Patent
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Feb 20, 1990
Issued Date -
N/A
app pub date -
Dec 23, 1988
filing date -
Jun 12, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An energy recovery pump-motor including an energy recovery pump and a mixed-phase motor for replacing conventional valves in fluid circuits such as an absorption refrigeration system. The energy recovery pump pressurizes a first liquid by recovering flow work energy from a second liquid. The mixed-phase motor recovers flow work energy and expansion energy from a high pressure, saturated third liquid and transfers the energy along a shaft to the pump to aid in pressurizing the first liquid. The energy recovery pump is shown in a single effect absorption refrigeration system, while the pump-motor is shown in both single effect and double effect systems.
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